1.祸兮，福之所倚；福兮，锅之所伏。——《老子》

2.君子之交淡若水，小人之交甘若醴。——《庄子》

3.青，取之于蓝而青于蓝。——荀子

4.十年树木，百年树人。——《管子·权修》

5.滚滚长江东逝水，浪花淘尽英雄。——《三国演义》

6.I myself stand tall with my sword in hand, laughing at the sky; I will go and leave my liver and lungs on the Kunlun Mountains. ——谭嗣同

7.The endless fallen leaves rustling down, not as numerous as the rolling waves of the Chang Jiang River coming from afar. ——杜甫

8.All things under heaven are difficult to understand, but once you understand them, they become easy; conversely, what is easy becomes difficult if you don't do it. ——彭端叔

9.A bud of emotion in a blooming flower holds tears of spring; an unfulfilled wish for a blooming plant lies dormant under dawn's light.

10.Learn without becoming tired; teach others without getting weary.

11.The speaker is blameless, while the listener should be cautious.

12.The noble-minded are free and easy like water flowing downhill; petty people are long-faced like those who have just seen someone off on a journey.

13.Don't say that the paulownia trees turn yellow late in autumn - there is still enough glory remaining in heaven.

14.Remember past events so as to learn from them for future occasions.

15.Knowing how much strength a horse has after traveling far takes time; recognizing human nature after prolonged acquaintance also takes time.

...